today i wanted to take a bit of time to write about a shader i implemented for my in-progress game project (more - on that soon™)

i wanted to create a "blacklight" effect, where specific lights could reveal part of the base texture. this - shader works with spot lights only, but could be extended to work with point lights

i wrote this shader in wgsl for a bevy engine project, but - it should translate easily to other shading languages

shader inputs

bevy's default pbr vertex shader provides this information, but as long as you can get this info into your - fragment - shader you should be good to go

- with all of that, i can start off the shader by setting up the inputs and fragment entry point: - -

- since the number of lights is dynamic, i use a storage buffer to store - that information -

shader calculations

the first thing we'll need to know is how close to looking at the fragment the light source - is

since both direction vectors are normalized, the dot product will be between -1.0 and 1.0

- the dot product of two unit vectors is the cosine of the angle between them (proof - here) -

- therefore, we take the arccosine of that dot product to get the angle between the light and - the fragment -

- once we have this angle we can plug it in to a falloff based on the angle properties of the - light: - -

- next, we need to make sure the effect falls off properly over distance we can do this by getting the distance - from the light to - the fragment and normalizing it with the range of the light before plugging that into an inverse square falloff - we'll use squared distance to avoid expensive and unnecessary square root operations: -

- now we'll have a float multiplier between 0.0 and 1.0 for our angle and distance to the light we can get the - resulting color by multiplying these with the base color texture: -

+ +

Rockbox Stat Tracking

September 22, 2025

In this post I talk about how I went about setting up a stat visualization page for my rockbox mp3 player.

+ +

A static site generation experiment

+ +

Preamble: Digital Sovereignity & Rockbox

+ I've been building up a pretty sizeable collection of digital music + over the last couple of years. I think there's a lot of value in owning + the music I pay for and being able to choose how I listen to it. + Purchasing music also allows me to support artists in a more direct + and substantial way than the fractions of cents for using streaming services, + but that's more of a happy consequence than some moral obligation I feel. +

+ Over the years, I've enjoyed listening to my music in a variety of ways. + For years I kept all of my music files on all of my devices and used + various local music clients depending on the platform, most notably mpd + and ncmpcpp on linux. Eventually, as I charged headlong into the glorious + world of self-hosting, I began using a central Jellyfin media server that + I stream music and video from. It's super convenient, and works on all of + my devices (including my TV!). +

+ My media server is great, and it's been the primary way I listen to music + for a while now. But it has limitations. For example, I don't expose my media + server to the internet, so I'm unable to stream from it while I'm out and + about. And even if I could, the bandwidth requirements would be pretty high. + I figured I would need a dedicated music player if I wanted to take my music + library on the go, and settled on the HIFI Walker H2 after reading some + online recommendations. The ability to install Rockbox, an open-source firmware, + was a big factor in my decision. I couldn't tell you how the device works + out of the box, since I flashed the firmware pretty much immediately once I got it, + but I've been super impressed with how the device works while running Rockbox. +

Screenshot of Rockbox player showing cool theme. — I'm using a modified version of the InfoMatrix-v2 theme, which looks great.

+ Rockbox comes with many codecs for common audio formats including FLAC and MP3. The + device boots extremely quickly, and the interface is snappy. Virtually every aspect + of the user experience is tweakable and customizable to a crazy degree. I've even begun + listening to music on my player even at home, since a device specifically for the + purpose provides less distraction while I'm trying to be productive. +

+ All this to say I'm pretty much sold on Rockbox. But there's certain things I + still miss from my days of being a user of popular services like Spotify with + fancy APIs and data tracking. Things like Spotify wrapped or third-party apps + for visualizing playback statistics are a fun way to see what my listening history + looks like and could potentially be used to help find more music that I'd enjoy. + This is why when I noticed that Rockbock has a playback logging feature, a little + lightbulb lit up over my head. +

Generating and Parsing Logs

+ Rockbox has a feature that logs playback information to a text file. This feature can + be enabled by setting Playback Settings > Logging to "On". With this setting enabled, a + new line gets added to the end of the .rockbox/playback.log file every time you play a track, + containing info about what you played and when. +

+ The logging feature is actually already used by the LastFM scrobbler plugin that comes preloaded with + Rockbox, which is probably the simplest way to get insights into your playback. However, + I personally want to avoid using third-party services as much as possible, because it's more fun. +

+ If I take a look at a logfile generated after a bit of listening, I'll see that I've wound up with + a series of lines that each look something like this: +

1758478258:336689:336718:/<microSD0>/Music/This Is The Glasshouse/This Is The Glasshouse - 867/This Is The Glasshouse - 867 - 01 Streetlight By Streetlight.flac

An example of a log entry for "Streetlight by Streetlight" by This is the Glasshouse. +

+ +

+ I wasn't really able to find any information online about the format of these logs, but they appear + to be simple enough to figure out. From what I can tell, each event is broken up into 4 pieces: +

Timestamp: The number of milliseconds since the UNIX epoch. +
Playback Duration: The amount of the song that was played, in milliseconds. +
Total Track Length: The length of the played track, in milliseconds. +
File Path: An absolute path to the file containing the track on the filesystem. +

+ All of this is enough to know what I was listening to and when. I can use the file path to check for + audio tags which can help glean even more information about my listening habits. +

Now that I have this information and know how to interpret it, I'm ready to start processing it!

Analyzing Playback History

+ In order to get some useful information out of my playback history, I think it's a good idea to start by + building + a database. I created a sqlite database with the following tables: + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
songs
id i64 PK
title String
artists JSON
album_id i64?
genre String?
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + +
albums
id i64 PK
title String
artist String
cover_art Blob?
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + +
history
id i64 PK
timestamp Datetime
duration i64
song_id i64
+
+ I can add more columns later, but this is a good place to start. +

songs
id	i64	PK
title	String
artists	JSON
album_id	i64?
genre	String?

albums
id	i64	PK
title	String
artist	String
cover_art	Blob?

history
id	i64	PK
timestamp	Datetime
duration	i64
song_id	i64

+ Now, as I read through the logfile line-by-line, I can check if each album exists before + inserting it into the database: +

for line in log_file.lines().flatten() {
+    println!("{line}");
+    // Skip comments
+    if line.starts_with("#") {
+        continue;
+    }
+    let chunks = line.split(":").collect::>();
+
+    let timestamp = DateTime::from_timestamp_secs(
+        i64::from_str_radix(chunks[0], 10).context("Failed to parse timestamp")?,
+    )
+    .context("Failed to convert timestamp")?;
+
+    // Load tags from file on device
+    let file_path = chunks[chunks.len() - 1][1..]
+        .split_once("/")
+        .context("Missing file")?
+        .1;
+    let tags = Tag::new()
+        .read_from_path(args.mount_point.join(file_path))
+        .context("Failed to read audio tags")?;
+
+    //...
+}

Parsing log entry and loading audio metadata.

+ +

if let Some(existing_album) =
+    sqlx::query("SELECT id FROM albums WHERE title=$1 AND artist=$2")
+        .bind(album_title)
+        .bind(album_artist)
+        .fetch_optional(&mut *db)
+        .await
+        .context("Failed to execute query to find existing album")?
+{
+    let album_id: i64 = existing_album.get("id");
+    info!("Album already exists, id {album_id}");
+    //...
+} else {
+    info!("Inserting new album: {album_title} by {album_artist}");
+    //...
+    let result = sqlx::query(
+        "INSERT INTO albums (title, artist, cover_art) VALUES ($1, $2, $3);",
+    )
+    .bind(album_title)
+    .bind(album_artist)
+    .bind(cover)
+    .execute(&mut *db)
+    .await
+    .context("Failed to execute query to insert album into database")?;
+
+    //...
+}

Checking for an album with matching artist and title before creating a new row in the + database.

+ + I did something similar with the songs and history tables, basically building up a cache + of history information and skipping anything that's already in the database on repeat runs. +

+ With this database constructed, it's pretty easy to get a bunch of different information + about my listening. For example (forgive me if my SQL skills are kind of ass lol): +

SELECT 
+    songs.title AS song_title,
+    songs.artists AS song_artists,
+    songs.genre AS song_genre,
+    albums.title AS album_title,
+    albums.artist AS album_artist,
+    history.timestamp AS timestamp,
+    history.duration AS duration
+FROM history
+CROSS JOIN songs ON songs.id = history.song_id
+CROSS JOIN albums ON albums.id = songs.album_id
+ORDER BY timestamp DESC;

Querying for a list of each history entry along with track metadata, sorted from most to + least recent.

+ +

SELECT 
+    songs.genre,
+    SUM(history.duration) AS total_duration
+FROM history
+CROSS JOIN songs ON history.song_id = songs.id
+GROUP BY genre
+ORDER BY total_duration DESC
+LIMIT 10;

Querying for the top 10 most listened genres by playtime.

+ +

+ It's all well and good to be able to view this information using a database client, + but it would be really cool if I could visualize this data somehow. +

Visualizing this Data Somehow

+ I wanted to make this data available on my website for people to view, and for a bunch of mostly trivial + reasons I won't get into here, I have a couple of requirements for pages on this site: +

Pages need to be static. +
Pages need to be JavaScript-free. +

+ This means any chart rendering needs to be done automatically at build time before + deploying. I don't currently use a static site generator for my site (just for fun), + so I'm basically going to need to write one specifically to generate this page. +

+ I won't get too deep into the specifics of how I queried the database and generated each visualization + on + the page, but I can explain the visualizations I created using the queries from the previous section. + For the + listening history I wanted to generate a table displaying the information. To accomplish this, I first + used a combination of sqlx's ability to convert a row to a struct and serde to serialize + the rows as JSON values. +

#[derive(Serialize, Deserialize, FromRow)]
+struct HistoryEntry {
+    song_title: String,
+    song_artists: Value,
+    timestamp: DateTime<Utc>,
+    duration: i64,
+    album_title: String,
+    album_artist: Option<String>,
+    song_genre: Option<String>,
+}
+
+//...later
+let history = sqlx::query_as::<_, HistoryEntry>(
+    /* SELECT... */
+).fetch_all(&mut *db).await;
+
+//...later still, tera context accepts
+let mut context = tera::Context::new();
+context.insert("history", &history);
+

Struct definition for a history entry, allowing conversion from a sqlx row and + de/serialization from/to JSON.

+ +

+ In order to keep the generation as painless as possible, I decided to use the Tera template + engine, which allows me to define a template HTML file and substitute in values from + a context which I can define before rendering. In the case of the table, I can just generate a <tr> + matching the data for each item: +

{% macro history_table(history) %}
+<h3>Playback History</h3>
+<div class="table-container">
+    <table>
+        <thead>
+            <tr>
+                <th>Timestamp</th>
+                <th>Played Duration</th>
+                <th>Title</th>
+                <th>Artists</th>
+                <th>Album</th>
+                <th>Genre</th>
+            </tr>
+        </thead>
+        <tbody>
+            {% for item in history %}<tr>
+                <td>{{ item.timestamp | date(format="%Y-%m-%d %H:%M:%S") }}</td>
+                <td>{{ item.duration | hms }}</td>
+                <td>{{ item.song_title }}</td>
+                <td>{{ item.song_artists }}</td>
+                <td>{{ item.album_title }}</td>
+                <td>{{ item.song_genre }}</td>
+            </tr>
+            {% endfor %}
+        </tbody>
+    </table>
+</div>
+{% endmacro history_table %}

+ A Tera macro for generating a table from a list of playback history items. + I used a macro so I can re-use this later if I want to add time range views. + (last month, year, etc.) +

+ +

+ I wrote similar macros for each of the visualizations I wanted to create. Most are + easy, but for my top 10 genres I wanted to display a pie chart. I found a pretty decent + data visualization crate called charming that's able to render to html, however + the output contains javascript so it's a no-go for me. Luckily, it can also render to + an SVG which I can embed nicely within the page. +

+ +

Here's one I generated just now.

+ +

+ And that's pretty much all there is to it! The finished thing can be found here. +

Rockbox Stats

This page shows a bunch of information about the music I've been listening to on my mp3 player. Think of it kind of like my own personal Spotify wrapped, minus the antichrist.

Timestamp	Played Duration	Title	Artists	Album	Genre
2025-09-23 19:41:01	3:37	The Misty Veil of May	[Black Hill & Silent Island]	Tales of the Night Forest	Post-Rock
2025-09-23 19:37:24	2:26	An Old Owl Calling	[Black Hill & Silent Island]	Tales of the Night Forest	Post-Rock
2025-09-23 19:34:58	3:03	Night in a Mossy Hut	[Black Hill & Silent Island]	Tales of the Night Forest	Post-Rock
2025-09-23 19:31:55	2:31	Crying Wind	[Black Hill & Silent Island]	Tales of the Night Forest	Post-Rock
2025-09-23 19:29:23	3:05	Dawn	[Black Hill & Silent Island]	Tales of the Night Forest	Post-Rock
2025-09-23 19:26:17	3:27	Hidden Valley	[Black Hill & Silent Island]	Tales of the Night Forest	Post-Rock
2025-09-23 19:22:50	3:32	The Gathering of Deer	[Black Hill & Silent Island]	Tales of the Night Forest	Post-Rock
2025-09-23 19:19:17	3:49	A Wild River to Take You Home	[Black Hill & Silent Island]	Tales of the Night Forest	Post-Rock
2025-09-23 19:15:22	3:16	A Wild River to Take You Home	[Black Hill & Silent Island]	Tales of the Night Forest	Post-Rock
2025-09-23 16:05:05	2:49	Twin Fantasy (Those Boys)	[Car Seat Headrest]	Twin Fantasy	Alternative
2025-09-23 15:52:11	16:10	Famous Prophets (Stars)	[Car Seat Headrest]	Twin Fantasy	Alternative
2025-09-23 15:36:01	7:39	High to Death	[Car Seat Headrest]	Twin Fantasy	Alternative
2025-09-23 15:28:22	5:39	Cute Thing	[Car Seat Headrest]	Twin Fantasy	Alternative
2025-09-23 15:22:42	6:46	Bodys	[Car Seat Headrest]	Twin Fantasy	Alternative
2025-09-23 15:15:55	5:25	Nervous Young Inhumans	[Car Seat Headrest]	Twin Fantasy	Alternative
2025-09-23 15:10:30	5:04	Sober to Death	[Car Seat Headrest]	Twin Fantasy	Alternative
2025-09-23 15:05:25	1:29	Stop Smoking (We Love You)	[Car Seat Headrest]	Twin Fantasy	Alternative
2025-09-23 15:03:56	13:18	Beach Life‐in‐Death	[Car Seat Headrest]	Twin Fantasy	Alternative
2025-09-23 14:50:37	2:52	My Boy (Twin Fantasy)	[Car Seat Headrest]	Twin Fantasy	Alternative
2025-09-23 14:47:44	1:32	The Light & the Glass	[Coheed and Cambria]	In Keeping Secrets of Silent Earth: 3	Progressive Rock
2025-09-23 14:46:12	3:54	A Favor House Atlantic	[Coheed and Cambria]	In Keeping Secrets of Silent Earth: 3	Progressive Rock
2025-09-23 14:42:18	4:15	The Camper Velourium III: Al the Killer	[Coheed and Cambria]	In Keeping Secrets of Silent Earth: 3	Progressive Rock
2025-09-23 14:38:02	5:22	The Camper Velourium II: Backend of Forever	[Coheed and Cambria]	In Keeping Secrets of Silent Earth: 3	Progressive Rock
2025-09-23 14:32:40	5:21	The Camper Velourium I: Faint of Hearts	[Coheed and Cambria]	In Keeping Secrets of Silent Earth: 3	Progressive Rock
2025-09-23 14:27:18	4:05	Blood Red Summer	[Coheed and Cambria]	In Keeping Secrets of Silent Earth: 3	Progressive Rock
2025-09-23 14:23:13	6:35	The Crowing	[Coheed and Cambria]	In Keeping Secrets of Silent Earth: 3	Progressive Rock
2025-09-23 14:16:37	5:08	Three Evils (Embodied in Love and Shadow)	[Coheed and Cambria]	In Keeping Secrets of Silent Earth: 3	Progressive Rock
2025-09-23 14:11:29	5:00	Cuts Marked in the March of Men	[Coheed and Cambria]	In Keeping Secrets of Silent Earth: 3	Progressive Rock
2025-09-23 14:06:28	8:12	In Keeping Secrets of Silent Earth: 3	[Coheed and Cambria]	In Keeping Secrets of Silent Earth: 3	Progressive Rock
2025-09-23 13:49:39	2:07	The Ring in Return	[Coheed and Cambria]	In Keeping Secrets of Silent Earth: 3	Progressive Rock
2025-09-23 13:45:29	5:45	Life and Death	[The Dear Hunter]	Act III: Life and Death	Progressive Rock
2025-09-23 13:39:43	3:25	Father	[The Dear Hunter]	Act III: Life and Death	Progressive Rock
2025-09-23 13:36:17	2:16	Son	[The Dear Hunter]	Act III: Life and Death	Progressive Rock
2025-09-23 13:34:01	3:15	Go Get Your Gun	[The Dear Hunter]	Act III: Life and Death	Progressive Rock
2025-09-23 13:30:45	4:05	This Beautiful Life	[The Dear Hunter]	Act III: Life and Death	Progressive Rock
2025-09-23 13:26:40	3:39	He Said He Had a Story	[The Dear Hunter]	Act III: Life and Death	Progressive Rock
2025-09-23 13:23:01	4:41	Saved	[The Dear Hunter]	Act III: Life and Death	Progressive Rock
2025-09-23 13:18:19	4:13	Mustard Gas	[The Dear Hunter]	Act III: Life and Death	Progressive Rock
2025-09-23 13:14:06	5:01	The Thief	[The Dear Hunter]	Act III: Life and Death	Progressive Rock
2025-09-23 13:09:05	4:51	The Poison Woman	[The Dear Hunter]	Act III: Life and Death	Progressive Rock
2025-09-23 13:04:13	4:39	The Tank	[The Dear Hunter]	Act III: Life and Death	Progressive Rock
2025-09-23 12:59:34	4:49	What It Means to Be Alone	[The Dear Hunter]	Act III: Life and Death	Progressive Rock
2025-09-23 12:54:44	5:29	In Cauda Venenum	[The Dear Hunter]	Act III: Life and Death	Progressive Rock
2025-09-23 12:49:15	1:38	Writing on a Wall	[The Dear Hunter]	Act III: Life and Death	Progressive Rock
2025-09-23 12:47:36	7:09	Vital Vessels Vindicate	[The Dear Hunter]	Act II: The Meaning of, & All Things Regarding Ms. Leading	Progressive Rock
2025-09-23 12:40:27	4:13	Black Sandy Beaches	[The Dear Hunter]	Act II: The Meaning of, & All Things Regarding Ms. Leading	Progressive Rock
2025-09-23 12:36:13	4:28	Dear Ms. Leading	[The Dear Hunter]	Act II: The Meaning of, & All Things Regarding Ms. Leading	Progressive Rock
2025-09-23 12:31:45	4:29	Where the Road Parts	[The Dear Hunter]	Act II: The Meaning of, & All Things Regarding Ms. Leading	Progressive Rock
2025-09-23 12:27:15	6:07	Red Hands	[The Dear Hunter]	Act II: The Meaning of, & All Things Regarding Ms. Leading	Progressive Rock
2025-09-23 12:22:05	1:13	Red Hands	[The Dear Hunter]	Act II: The Meaning of, & All Things Regarding Ms. Leading	Progressive Rock
2025-09-23 12:15:59	3:48	Blood of the Rose	[The Dear Hunter]	Act II: The Meaning of, & All Things Regarding Ms. Leading	Progressive Rock
2025-09-23 12:12:10	3:44	Evicted	[The Dear Hunter]	Act II: The Meaning of, & All Things Regarding Ms. Leading	Progressive Rock
2025-09-23 12:08:26	4:45	Smiling Swine	[The Dear Hunter]	Act II: The Meaning of, & All Things Regarding Ms. Leading	Progressive Rock
2025-09-23 12:03:40	7:46	The Bitter Suite III: Embrace	[The Dear Hunter]	Act II: The Meaning of, & All Things Regarding Ms. Leading	Progressive Rock
2025-09-23 11:55:54	6:06	The Bitter Suite I & II: Meeting Ms. Leading / Through the Dime	[The Dear Hunter]	Act II: The Meaning of, & All Things Regarding Ms. Leading	Progressive Rock
2025-09-23 11:49:47	4:57	The Church & the Dime	[The Dear Hunter]	Act II: The Meaning of, & All Things Regarding Ms. Leading	Progressive Rock
2025-09-23 11:44:49	4:18	The Oracles on the Delphi Express	[The Dear Hunter]	Act II: The Meaning of, & All Things Regarding Ms. Leading	Progressive Rock
2025-09-23 11:40:31	9:29	The Lake and the River	[The Dear Hunter]	Act II: The Meaning of, & All Things Regarding Ms. Leading	Progressive Rock
2025-09-23 11:35:12	4:25	The Lake and the River	[The Dear Hunter]	Act II: The Meaning of, & All Things Regarding Ms. Leading	Progressive Rock
2025-09-23 11:33:31	2:44	The Lake and the River	[The Dear Hunter]	Act II: The Meaning of, & All Things Regarding Ms. Leading	Progressive Rock
2025-09-23 11:30:47	4:59	The Procession	[The Dear Hunter]	Act II: The Meaning of, & All Things Regarding Ms. Leading	Progressive Rock
2025-09-23 11:25:57	0:38	The Death and the Berth	[The Dear Hunter]	Act II: The Meaning of, & All Things Regarding Ms. Leading	Progressive Rock
2025-09-23 11:24:06	4:03	The River North	[The Dear Hunter]	Act I: The Lake South, the River North	Progressive Rock
2025-09-23 11:20:03	6:00	His Hands Matched His Tongue	[The Dear Hunter]	Act I: The Lake South, the River North	Progressive Rock
2025-09-23 11:14:02	6:00	The Pimp and the Priest	[The Dear Hunter]	Act I: The Lake South, the River North	Progressive Rock
2025-09-23 11:08:02	7:02	1878	[The Dear Hunter]	Act I: The Lake South, the River North	Progressive Rock
2025-09-23 11:01:00	5:56	The Inquiry of Ms. Terri	[The Dear Hunter]	Act I: The Lake South, the River North	Progressive Rock
2025-09-23 10:55:03	5:56	City Escape	[The Dear Hunter]	Act I: The Lake South, the River North	Progressive Rock
2025-09-23 10:49:07	1:43	The Lake South	[The Dear Hunter]	Act I: The Lake South, the River North	Progressive Rock
2025-09-23 10:47:23	1:55	Battesimo del fuoco	[The Dear Hunter]	Act I: The Lake South, the River North	Progressive Rock
2025-09-23 10:44:36	4:24	Chapter X	[Sufferer]	Sufferer	Post-Hardcore
2025-09-23 10:40:12	3:32	Chapter IX	[Sufferer]	Sufferer	Post-Hardcore
2025-09-23 10:36:39	3:39	Chapter VIII	[Sufferer]	Sufferer	Post-Hardcore
2025-09-23 10:33:00	6:08	Chapter VII	[Sufferer]	Sufferer	Post-Hardcore
2025-09-23 10:26:51	3:45	Chapter VI	[Sufferer]	Sufferer	Post-Hardcore
2025-09-23 10:23:06	3:39	Chapter V	[Sufferer]	Sufferer	Post-Hardcore
2025-09-23 10:19:27	3:24	Chapter IV	[Sufferer]	Sufferer	Post-Hardcore
2025-09-23 10:16:02	4:24	Chapter III	[Sufferer]	Sufferer	Post-Hardcore
2025-09-23 10:11:37	2:28	Chapter II	[Sufferer]	Sufferer	Post-Hardcore
2025-09-23 10:09:09	1:23	Chapter I	[Sufferer]	Sufferer	Post-Hardcore
2025-09-21 19:50:53	12:26	Sleep	[Godspeed You Black Emperor!]	Lift Your Skinny Fists Like Antennas to Heaven	Post-Rock
2025-09-21 19:50:18	3:27	A Wild River to Take You Home	[Black Hill & Silent Island]	Tales of the Night Forest	Post-Rock
2025-09-21 19:45:18	1:28	A Wild River to Take You Home	[Black Hill & Silent Island]	Tales of the Night Forest	Post-Rock
2025-09-21 19:43:49	0:28	A Wild River to Take You Home	[Black Hill & Silent Island]	Tales of the Night Forest	Post-Rock
2025-09-21 19:40:11	0:48	Night Ela (Mystic Thing)	[Candy Claws]	Ceres & Calypso in the Deep Time	Shoegaze
2025-09-21 19:28:37	1:28	Night Ela (Mystic Thing)	[Candy Claws]	Ceres & Calypso in the Deep Time	Shoegaze
2025-09-21 19:26:40	0:42	The Tragedy	[The Pax Cecilia]	Blessed Are the Bonds	Post-Metal
2025-09-21 19:25:58	5:01	A Dance With Death	[We Lost the Sea]	A Single Flower	Post-Rock
2025-09-21 19:25:00	3:26	Homecoming: Denied!	[Harakiri for the Sky]	Aokigahara MMXXII	Post-Metal
2025-09-21 19:21:33	1:18	Keeping the Blade	[Coheed and Cambria]	Good Apollo I’m Burning Star IV, Volume One: From Fear Through the Eyes of Madness	Progressive Rock
2025-09-21 19:20:14	1:47	I Existed	[Snooze]	I Know How You Will Die	Progressive Metal
2025-09-21 19:14:22	7:40	Robinson	[This Is The Glasshouse]	867	Progressive Rock
2025-09-21 19:06:42	3:35	October	[This Is The Glasshouse]	867	Progressive Rock
2025-09-21 19:03:07	10:21	Old George	[This Is The Glasshouse]	867	Progressive Rock
2025-09-21 18:52:45	9:34	867	[This Is The Glasshouse]	867	Progressive Rock
2025-09-21 18:43:11	3:38	Two-Headed Calf	[This Is The Glasshouse]	867	Progressive Rock
2025-09-21 18:39:33	6:25	7Bass / Lorne	[This Is The Glasshouse]	867	Progressive Rock
2025-09-21 18:33:07	9:51	January	[This Is The Glasshouse]	867	Progressive Rock
2025-09-21 18:23:15	3:39	Southpaw	[This Is The Glasshouse]	867	Progressive Rock
2025-09-21 18:19:36	8:37	Before Machinery	[This Is The Glasshouse]	867	Progressive Rock
2025-09-21 18:10:58	5:36	Streetlight by Streetlight	[This Is The Glasshouse]	867	Progressive Rock
2025-09-21 18:05:21	0:17	Streetlight by Streetlight	[This Is The Glasshouse]	867	Progressive Rock
2025-09-21 15:00:22	0:02	Before Machinery	[This Is The Glasshouse]	867	Progressive Rock
2025-09-21 15:00:12	5:36	Streetlight by Streetlight	[This Is The Glasshouse]	867	Progressive Rock
2025-09-21 02:29:43	0:24	The Diary of Jane	[Breaking Benjamin]	Phobia	Rock
2025-09-21 02:29:20	1:13	Intro	[Breaking Benjamin]	Phobia	Rock
2025-09-21 01:23:28	2:00	The Diary of Jane	[Breaking Benjamin]	Phobia	Rock
2025-09-20 19:51:54	0:05	Chapter X	[Sufferer]	Sufferer	Post-Hardcore
2025-09-20 19:51:41	0:01	Chapter IX	[Sufferer]	Sufferer	Post-Hardcore
2025-09-20 19:51:39	0:01	Chapter VIII	[Sufferer]	Sufferer	Post-Hardcore
2025-09-20 19:51:38	0:01	Chapter VII	[Sufferer]	Sufferer	Post-Hardcore
2025-09-20 19:51:36	0:01	Chapter VI	[Sufferer]	Sufferer	Post-Hardcore
2025-09-20 19:51:35	0:01	Chapter V	[Sufferer]	Sufferer	Post-Hardcore
2025-09-20 19:51:33	0:01	Chapter IV	[Sufferer]	Sufferer	Post-Hardcore
2025-09-20 19:51:32	0:01	Chapter III	[Sufferer]	Sufferer	Post-Hardcore
2025-09-20 19:51:30	0:01	Chapter II	[Sufferer]	Sufferer	Post-Hardcore
2025-09-20 19:51:29	0:02	Chapter I	[Sufferer]	Sufferer	Post-Hardcore

Creating a Blacklight Shader

shader inputs

shader calculations

Rockbox Stat Tracking

Preamble: Digital Sovereignity & Rockbox

Generating and Parsing Logs

Analyzing Playback History

Visualizing this Data Somehow

Stuff on this Site

Rockbox Stats

Playback History

Top Genres

Top Albums

Top Artists